Refactor panZoomWidget and its testcases.
Bug fix doe imageResourceViewer.js.
More test cases for panZoomWidget.js.
Refactored imageResourceViewer.js.
Refactored panZoomWidget.js and prepared it for the upgrade to QUnit 1.15.
Merge pull request #136 from blackhydrogen/resource-image

Resource image
Refactored to bring out constants in ImageResource (only).
PanZoomWidget & ImageControls partially refactored due to sharing of constants, but are still pending)
Refactored ImageControls (shifted functions to private).
Fixed bug in ImageResource. newFilterMenuValues needed to be assigned an empty array to avoid "NullPointer" error
Added in tooltips even for the "lighter" buttons.
Refactored ImageControls (extracted magic constants).
Minor refactor for ImageResource.
Adding ImageResourceViewer unit test stub.
Need to merge with master for the most up-to-date libraries.
Merge pull request #138 from blackhydrogen/resource-image

Resource image
Bug fix for one of the modules.
Reverted back to QUnit 1.12 style of coding.
Added Unit tests for ImageResource (inherently tests part of ImageControls).
Added "Test" to the filenames of test/imageResourceViewer.js and test/panZoomWidget.js.
Added path to imageResourceViewerTest.js and panZoomWidgetTest.js into testRunner.html.
Merge pull request #139 from blackhydrogen/resource-image

Resource image
Further refactoring.
Comments added for BEI.
Bug fix.
Merge pull request #141 from blackhydrogen/basic-encounter-info

Basic encounter info